people of all religions, all colors, all united in their affection for this one man, nelson mandela. nelson mandela was not a particularly religious man. today in churches and houses of worship across south africa, prayers and songs for the man who had ababiding faith in the human spirit and in his nation, to move beyond apartheid. >> to keep his legacy going, we need to keep living what he's set out for us. >> he was a hero. he fought for us. he suffered for the whole world. >> reporter: the mood remains more celebratory than somber. overnight, the family spokesman speaking for the first time. with mandela's grandson close by. >> in our hearts and souls, he will always be with us. >> reporter: today's national day of prayer kicks off a week-long celebration. next up, a memorial service on tuesday, take place at the fnb stadium in johannesburg. mandela made his last public appearance at the 2010 world cup. it's confirmed, president obama and the first lady will be there, along with former president george w. bush and mrs. bush. former president jimmy carter. and former president bill